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Caleffi Z-one ZSR103 3 Zone Pump Relay, 24 VAC
Part #135121
MFG #ZSR103
Caleffi Z-one ZSR103 3 Zone Pump Relay, 24 VAC
Part #135121
MFG #ZSR103
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Caleffi Z-one ZSR103 3 Zone Pump Relay, 24 VAC
Part #135121
MFG #ZSR103
- Attributes
- Item Features
- Documents
Attributes
Type3 Zone
SeriesZSR
Display TypeLED
Frequency Rating50/60 Hz
Power Rating120 VAC
Voltage Rating24 VAC
Dimensions11 in L x 3 in W x 9-1/4 in H
Item Features
- Installer friendly - Ample room for terminations, large screw terminals, automatic resettable fuse, snap-in transformers.
- Application versatility - 3 selectable 120 VAC auxiliary switches for enabling pumps and boilers, dedicated pump outputs, unlimited zone expansion.
- Extremely reliable design - Clutch-protected drive train, durable synchronous motor, millions installed in North America.
- Compact design with snap-on actuator with a convenient in-line push button, removable bottom cap allows for easy in-pipe service.
- Application versatility - Hot water, chilled water and low-pressure steam.
- Compatible with 2, 3 and 4-wire thermostats or other low voltage controllers with switching action.
- Heavy duty, sealed relays.
- 1 primary pump output and 3 to 6 (model dependent) zone pump outputs (120 VAC/5 A each).
- Zone priority selectable with 1 hr time-out feature.
- Convenient R, W, C and T, T, COM dual labeling at thermostat terminals.
- System pump status (on/off) during priority selectable.
- Dry contacts (XX,AUX, ZONE 1 E/S) capable of switching line voltage.
- High capacity 12 VA or 20 VA transformer (model dependent).
- Automatic resettable fuse on 24 V circuit.
- Selectable post purge.
- Selectable pump exercising.
- 3 pump ground terminals for simplified wiring.
- Expandable to unlimited number of zones using simple 3-wire connection between controls.
- Large screw terminals for ease of wiring.
- Front panel LED indicator light for functional status.